Pillaiarthangal is a village in Kattumannarkoil tehsil in district of Cuddalore, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Pillaiarthangal was 551 which includes 282 males and 269 females. Pillaiarthangal covers 119.88 ha area. Pincode of Pillaiarthangal is 608302.